Email DNS records for ultralink.com.br
MX, SPF, DMARC and DKIM records published for ultralink.com.br.
Receives email: Yes Disposable: No Free provider: No SPF: Yes DMARC: Yes
ultralink.com.br can receive email: 1 MX record found. Authentication records found: SPF, DMARC, DKIM.
| Check | Result | What it means |
|---|---|---|
| MX | Found (1) | The domain is configured to receive email. |
| Free email provider | No | Not a free mailbox service like Gmail or Yahoo. |
| SPF | Found | The record ends with ~all: mail from servers not listed should be treated as suspicious but accepted (soft fail). |
| DMARC | p=none | The policy is none: receivers are asked to take no specific action on messages that fail DMARC. It is typically used to monitor authentication. Aggregate reports are requested (rua). |
| DKIM | Found (default) | A DKIM public key is published under the selector default. |
Last checked: 2026-11-02 (UTC). DNS records can change over time. This report lists public DNS records; their presence does not by itself mean that a domain or its messages are safe.
Next steps
MX records for ultralink.com.br
- 10 mx1.core9.email (38.250.218.51)
Email authentication records for ultralink.com.br
SPF record
v=spf1 include:_spf.core9.email ~all
DMARC record
v=DMARC1; p=none; rua=mailto:postmaster@core9.com.br; sp=none
DKIM record (default)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArZCKRQTtZ2j7zzyit7zrdvMS04dyCdtKSuHzbAjFKIOrXbJl3+U9HxKQ2JPz5wPzu/SJNm7zla0Wv5RFB1ILoI9bkPbP3ppWJv6TAi9nQG3ukCd6Aw3eBiP7db80fRqrpPpyuNvU4ESUNIiQxoZ2Fo3V/SrGBsMai1siDAi9TDEqjh6tyx8Zw0P/WQw574Ts901I85Egr/piPYJz+vc4SB7m75s4kxv49gnDcT3EDuBVcmRxR6R80tWNVX7hO9BRePYe2QDpCmeqZUkTaxvkcocAxCOOZu4V0Gi1bnWazL1BtYGdpMQQEAxKA9mWa9wMJfRAiDeyrrV7CJJlayxJDwIDAQAB
Check a specific email address @ultralink.com.br
This page checks how ultralink.com.br is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.
Server location
Name servers
TXT records for ultralink.com.br
Frequently asked questions
Can ultralink.com.br receive email?
Yes. ultralink.com.br publishes 1 MX record, so it is configured to receive email. To know whether a specific address exists, verify that address.
Does ultralink.com.br use SPF and DMARC?
ultralink.com.br publishes an SPF record. Its DMARC policy is p=none.
Is ultralink.com.br a free email provider?
No. ultralink.com.br is not on our list of free mailbox providers such as Gmail, Outlook or Yahoo.